CL

(see Note A)

TEST CIRCUIT

RL

50 Ω

VG1

VCC

D

D

UT

50 Ω

VIN

IN

S1

VS2

S2

EN

VS1

VOLTAGE WAVEFORMS

t

and t

TIMES

ON

OFF

tON

tOFF

3 V

0 V

3 V

0 V

Output

Control

(VIN)

Analog Output

Waveform

(V )

O

50%

50%

90%

90%

TEST

CL

RL

VS2

5 V ± 0.5 V

5 V ± 0.5 V

5 V ± 0.5 V

5 V ± 0.5 V

VCC

VS1

tON

tOFF

75 Ω

75 Ω

75 Ω

75 Ω

GND

GND

GND

GND

3 V

3 V

3 V

3 V

20 pF

20 pF

20 pF

20 pF

Input Generator

VO

TS5V330C

SCDS276B – APRIL 2009 – REVISED DECEMBER 2009

www.ti.com

PARAMETER MEASUREMENT INFORMATION

A.

CL includes probe and jig capacitance.

B.

All input pulses are supplied by generators having the following characteristics: PRR

≤ 10 MHz, ZO = 50 Ω,

tr ≤ 2.5 ns, tf ≤2.5 ns.

C.

The outputs are measured one at a time with one transition per measurement.

Figure 5. Test Circuit and Voltage Waveforms

8

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